Abstract
A secure temporal credential-based authenticated key agreement scheme for Wireless Sensor Networks (WSNs) enables a user, a sensor node and a gateway node to realize mutual authentication using temporal credentials. The user and the sensor node then negotiate a common secret key with the help of the gateway node, and establish a secure and authenticated channel using this common secret key. To increase efficiency, recent temporal credential-based authenticated key agreement schemes for WSNs have been designed to involve few computational operations, such as hash and exclusive-or operations. However, these schemes cannot protect the privacy of users and withstand possible attacks. This work develops a novel temporal credential-based authenticated key agreement scheme for WSNs using extended chaotic maps, in which operations are more efficient than modular exponential computations and scalar multiplications on an elliptic curve. The proposed scheme not only provides higher security and efficiency than related schemes, but also resolves their weaknesses.
Highlights
Wireless sensor networks (WSNs) comprise a large number of sensor nodes, and are utilized in many environments, such as dangerous areas in which humans must be medically monitored, militarySensors 2015, 15 environments in which reconnaissance and communication must be carried out, and others
A temporal credential-based authenticated key agreement scheme for WSNs is composed of three classes of entity—users, sensor nodes and a gateway node (GWN)—and has registration, login, authentication and key agreement, and password change phases
This work addresses the weaknesses of the scheme of Li et al and proposes an efficient and secure temporal credential-based authenticated key agreement scheme for WSNs that uses extended chaotic maps, and involves operations that are more efficient than modular exponential computations and scalar multiplications on an elliptic curve [18,19,20]
Summary
Wireless sensor networks (WSNs) comprise a large number of sensor nodes, and are utilized in many environments, such as dangerous areas in which humans must be medically monitored, military. A temporal credential-based authenticated key agreement scheme for WSNs is composed of three classes of entity—users, sensor nodes and a gateway node (GWN)—and has registration, login, authentication and key agreement, and password change phases. Authentication and key agreement phases, the user, the sensor node and GWN authenticate each other using these temporal credentials. The user and the each sensor node negotiate a common secret key with the help of GWN to establish a secure and authentication channel in the WSN. The adversary can derive all previous session keys of users and sensor nodes, and access all transmitted secrets. These temporal credential-based schemes for WSNs fail to resist possible attacks and to protect the privacy of users
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